I eventually used Ventoy, it works on Linux and solved my problems immediately. It also forces the win installer to think it’s offline to avoid the dark pattern of online-“only” accounts.
Then it was loaded with adverts and other horseshit. Seriously degraded experience.
All of this because when I was trying to play a game pass game the play button just did nothing. No logs, no info, nothing. The online help was pretty good, but removing/resetting/reinstalling all game related software did nothing. Real pain when there’s no feedback.